ACTIVE

SEIDYS

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Financial year 2025 · Closed on 31/12/2025

Net result-176,2 k €+12,0 %over 1 year

Revenue1,1 M €+489,2 %over 1 year

Equity8,1 M €-2,1 %over 1 year

Workforce1,0 ETP0,0 %over 1 year

Identity

Source · BCE/KBO

SEIDYS is a Public limited company incorporated in 2006. Its main activity is: Development of building projects. Its registered office is in Mons. It employs on average 1,0 ETP workers (FTE).

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0882.117.901
Incorporation: 26/06/2006
Legal form: Public limited company
Registered office: Rue de la Grosse Pomme 2
7000 Mons · WallonieSee on map
Contributed capital: 7 500 000,00 €
Latest accounts: 31/12/2025
Average workforce: 1,0 ETP

Activities (NACE)

41101Development of building projects· main 68121Buying and selling of own real estate 68310Real estate agencies 68311Real estate agencies 70311Activities of head offices; management consultancy activities 41001Construction of buildings+4

Joint committees (2)

Signals

Solid equityLow riskGood liquidityHealthy social debtsHigh revenue

Financials

Source · NBB, 19 filings

Trend over 18 financial years

	2025		2024		2023		2022		2021
Income statement
Revenue	1,1 M €	+489%	181,6 k €	-98.8%	15,5 M €	+149381%	10,4 k €	-39.1%	17,1 k €
EBITDA	-131,6 k €	+24.7%	-174,8 k €	-217%	148,8 k €	-84.2%	941,9 k €	+28.7%	732,1 k €
Operating result	-142,9 k €	+19.7%	-178,1 k €	-233%	133,8 k €	-85.5%	922,1 k €	+28.4%	717,9 k €
Net result	-176,2 k €	+12.0%	-200,2 k €	-368%	74,7 k €	-88.9%	672,8 k €	+26.9%	530,1 k €
Balance sheet
Equity	8,1 M €	-2.1%	8,3 M €	-2.4%	8,5 M €	+0.5%	8,4 M €	+4.1%	8,1 M €
Total assets	11 M €	+22.5%	9 M €	+1.2%	8,9 M €	-65.9%	26 M €	+33.4%	19,5 M €
Cash	547,4 k €	+136%	232,3 k €	-87.4%	1,8 M €	-27.7%	2,6 M €	+79.4%	1,4 M €
Debts	2,8 M €	+327%	665,6 k €	+86.1%	357,7 k €	-97.9%	17,3 M €	+52.6%	11,3 M €
Other
Workforce	1,0 ETP	0.0%	1,0 ETP	-44.4%	1,8 ETP	-10.0%	2,0 ETP	+100%	1,0 ETP

Valuation

Indicative valuation

As an indication, this company is worth

between 5 M€ and 10 M€

See the valuation

Board of directors

Source · NBB, accounts to 31/12/2025

3 active · 3 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Domenico LEONE	Managing director26/06/2006 → 11/06/2031Director26/06/2006 → 2015 accountsended
Dominique JUNG	Director26/06/2006 → 11/06/2031
MYLEO0748.581.662Represented by Romain LEONE	Managing director01/07/2020 → 11/06/2031Director01/07/2020 → 2020 accountsended

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Oriane LEONE	Director14/06/2017 → 2019 accounts
Philippe BRILOT	Director14/06/2017 → 2022 accounts
Romain LEONE	Managing director14/06/2017 → 2019 accounts

Other companies at this address

Rue de la Grosse Pomme 2 7000 Mons

Company	CBE no.
Group Sart de Bernier● Active	0428.067.532
Heleigi● Active	1016.216.738
Société de Gestion Industrielle● Active	0420.881.515

Full financial information

Source · NBB

	2025	2024	2023	2022	2021	2020
Type of account	Full model	Full model	Full model	Full model	Full model	Full model
Start of the financial year	01/01/2025	01/01/2024	01/01/2023	01/01/2022	01/01/2021	01/01/2020
Closing of the financial year	31/12/2025	31/12/2024	31/12/2023	31/12/2022	31/12/2021	31/12/2020
Length of the financial year	12 months	12 months	12 months	12 months	12 months	12 months
Filing date	11/07/2026	05/07/2025	15/06/2024	22/06/2023	20/06/2022	10/06/2021
General meeting	10/06/2026	11/06/2025	12/06/2024	14/06/2023	08/06/2022	09/06/2021
Currency of the financial year	EUR	EUR	EUR	EUR	EUR	EUR
NBB quality label	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls

Financial ratios

Source · NBB

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Annual accounts filings

Source · NBB, 19 filings

Model	Closing	General meeting	Filed	Language	Document
Full model	31/12/2025	10/06/2026	11/07/2026	French	PDF
Full model	31/12/2024	11/06/2025	05/07/2025	French	PDF
Full model	31/12/2023	12/06/2024	15/06/2024	French	PDF
Full model	31/12/2022	14/06/2023	22/06/2023	French	PDF
Full model	31/12/2021	08/06/2022	20/06/2022	French	PDF
Full model	31/12/2020	09/06/2021	10/06/2021	French	PDF
Full model	31/12/2019	10/06/2020	07/07/2020	French	PDF
Full model	31/12/2018	12/06/2019	18/06/2019	French	PDF
Full model	31/12/2017	13/06/2018	26/06/2018	French	PDF
Full model	31/12/2016	14/06/2017	28/07/2017	French	PDF
Full model	31/12/2015	08/06/2016	13/06/2016	French	PDF
Full model	31/12/2014	10/06/2015	25/07/2015	French	PDF
Full model	31/12/2013	11/06/2014	02/07/2014	French	PDF
Full model	31/12/2012	12/06/2013	08/07/2013	French	PDF
Full model	31/12/2011	13/06/2012	21/07/2012	French	PDF
Full model	31/12/2010	08/06/2011	11/07/2011	French	PDF
Full model	31/12/2009	09/06/2010	25/07/2010	French	PDF
Full model	31/12/2008	10/06/2009	25/07/2009	French	PDF
Full model	31/12/2007	11/06/2008	23/06/2008	French	PDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 5 M€ and 10 M€

The detail comes with the Business plan: low and high bounds, the valuation bridge for each financial year, transaction multiples by sector and size, group valuation and exports.

Discover the Business plan

Disclaimer

Indicative estimate based on public sector multiples and the filed annual accounts. It is neither a certified valuation nor financial or investment advice.

Board of directors

Source · NBB, accounts to 31/12/2025

3 active · 3 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Domenico LEONE	Managing director26/06/2006 → 11/06/2031Director26/06/2006 → 2015 accountsended
Dominique JUNG	Director26/06/2006 → 11/06/2031
MYLEO0748.581.662Represented by Romain LEONE	Managing director01/07/2020 → 11/06/2031Director01/07/2020 → 2020 accountsended

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Oriane LEONE	Director14/06/2017 → 2019 accounts
Philippe BRILOT	Director14/06/2017 → 2022 accounts
Romain LEONE	Managing director14/06/2017 → 2019 accounts

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette

Other08/07/2026
DESIGNATION DU PRESIDENT DU CONSEIL D'ADMINISTRATION -
PDF
Mandates30/06/2025
DEMISSIONS, NOMINATIONS
PDF
Mandates23/11/2023
DEMISSIONS, NOMINATIONS
PDF
Mandates29/06/2023
DEMISSIONS, NOMINATIONS
PDF
Mandates17/06/2022
DEMISSIONS, NOMINATIONS
PDF
Mandates30/07/2020
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - OBJET - DEMISSIONS, NOMINATIONS
PDF
Mandates19/05/2020
DEMISSIONS, NOMINATIONS
PDF
Mandates03/07/2019
DEMISSIONS, NOMINATIONS
PDF

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A company's peers, by sector and size, are included in the Business plan.

See the Business plan

Timeline

Source · CBE, NBB annual accounts

Year

Identity

Incorporation

Name

Registered office

Annual accounts

Filings18 filings

Mandates

MYLEO

Domenico LEONE

Dominique JUNG

Philippe BRILOT

Oriane LEONE

Romain LEONE

20062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031

SEIDYS

Rue de la Grosse Pomme 2, 7000 Mons

Managing director

Managing directorDirector

Director

Managing director

CurrentPlanned, not yet servedEndedAccounts filedToday

Registered offices

Source · NBB annual accounts, CBE

Registered address	Period	Source
Rue de la Grosse Pomme 2, 7000 MonsCurrent	accounts 2021 → 2025	Accounts 2025 · 2026-00307361

Company names

Source · NBB annual accounts, CBE

Name	Period	Source
SEIDYSCurrent	accounts 2007 → 2025	Accounts 2025 · 2026-00307361

Events

2025
Annual accounts 2025-176,2 k €↑
2024
Annual accounts 2024-200,2 k €↓
2023
Annual accounts 202374,7 k €↓
2022
Annual accounts 2022672,8 k €↑
2021
Annual accounts 2021530,1 k €↑
2020
Annual accounts 2020437,5 k €↑
2019
Annual accounts 2019-457,7 k €↓
2018
Annual accounts 201830,5 k €↓
2017
Annual accounts 2017436,8 k €↑
2016
Annual accounts 201681,3 k €↓
2015
Annual accounts 2015357,8 k €↑
2014
Annual accounts 2014259,3 k €↓
2013
Annual accounts 2013276,5 k €↓
2011
Annual accounts 2011836,1 k €↑
2010
Annual accounts 2010-188,4 k €↓
2009
Annual accounts 2009-64,2 k €↑
2008
Annual accounts 2008-140,3 k €↓
2007
Annual accounts 2007-41,4 k €
26/06/2006
IncorporationPublic limited company

SEIDYS

Overview

Identity

Financials

Valuation

Indicative valuation

Board of directors

Other companies at this address

Financials

Full financial information

Financial ratios

Annual accounts filings

Valuation

Indicative valuation

Directors & structure

Board of directors

Ownership and network

Publications

Belgian Official Gazette publications

Similar companies

Similar companies

Timeline

Timeline

Registered offices

Company names

Events